ISO 590:1981 Oil of brazilian sassafras standard by International Organization for Standardization, 09/01/1981
ISO 4948-2:1981 Steels -- Classification -- Part 2: Classification of unalloyed and alloy steels according to main quality classes and main property or application characteristics standard by International Organization for Standardization, 09/01/1981
ISO 649-2:1981 Laboratory glassware - Density hydrometers for general purposes - Part 2 : Test methods and use standard by International Organization for Standardization, 09/01/1981
ISO 7274:1981 [ Withdrawn ] Wrought aluminium and aluminium alloys - Drawn round bars - Tolerances on shape and dimensions (All minus tolerances on diameter) standard by International Organization for Standardization, 09/01/1981
ISO 2715:1981 Liquid hydrocarbons -- Volumetric measurement by turbine meter systems standard by International Organization for Standardization, 08/01/1981
ISO 5523:1981 Liquid fruit and vegetable products -- Determination of sulphur dioxide content (Routine method) standard by International Organization for Standardization, 08/01/1981
ISO 5521:1981 Fruits, vegetables and derived products -- Qualitative method for the detection of sulphur dioxide standard by International Organization for Standardization, 08/01/1981
ISO 5520:1981 Fruits, vegetables and derived products -- Determination of alkalinity of total ash and of water-soluble ash standard by International Organization for Standardization, 08/01/1981
ISO 6927:1981 Building construction -- Jointing products -- Sealants -- Vocabulary standard by International Organization for Standardization, 08/01/1981
ISO 6234:1981 Bank operations; Authorized signature lists and their representation on microfiche standard by International Organization for Standardization, 08/01/1981
ISO 2142:1981 Wrought aluminium, magnesium and their alloys - Selection of specimens and test pieces for mechanical testing standard by International Organization for Standardization, 08/01/1981
ISO 2072:1981 [ Withdrawn ] Aluminium oxide primarily used for the production of aluminium -- Determination of zinc content -- PAN photometric method standard by International Organization for Standardization, 08/01/1981